CN212234820U

CN212234820U - A support device for identical mouthful fistula of postoperative

Info

Publication number: CN212234820U
Application number: CN202020606494.9U
Authority: CN
Inventors: 刘鹏飞; 高昳; 王芳军; 夏挺松; 刘华敏; 项斌
Original assignee: Jiangyin Peoples Hospital
Current assignee: Jiangyin Peoples Hospital
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-29
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a bracket device for postoperative anastomotic fistula, which comprises a sleeve with a cavity inside, a supporting tube connected in the sleeve in a sliding way and a push-pull tube connected at the end part of the sleeve; the supporting tube comprises a base layer, a supporting layer arranged at the periphery of the base layer in a matching mode, a plurality of rows of reducing supporting assemblies which are connected between the base layer and the supporting layer and are arranged circumferentially, and a sealing stretching ring which is arranged between the end part of the base layer and the end part of the supporting layer and is used for controlling the reducing of the reducing supporting assemblies, wherein the sleeve is connected to the outer wall of the supporting layer in a sliding mode; the support device is simple in structure, convenient and reliable to use and capable of providing reliable guarantee.

Description

A support device for identical mouthful fistula of postoperative

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to a support device for identical mouthful of fistula of postoperative.

Background

Anastomotic fistula is the most common serious complication after gastric cancer and rectal cancer operations and is also the main cause of death, the occurrence factors are complex, various operation methods cannot guarantee that fistula does not appear, and the influence factors of anastomotic fistula are more and cannot be completely avoided. Once an anastomotic fistula has occurred, depending on the degree, some patients may recover from conservative treatment, and some patients may require secondary surgery. Under this condition, if take place after the anastomotic fistula, put the support through intervention means mouth orally or rectum, prevent that the intestines content from passing through the fistula, keep the fistula clean, avoid the intestines content to get into the abdominal cavity moreover and lead to the abdominal cavity infection, will promote the healing of anastomotic fistula finally. However, the existing stent is inconvenient to operate, the stent is easy to loosen at the anastomotic fistula part due to the influence of factors such as food taking and the like in the process, and the stent is inconvenient to take out after rehabilitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support device for identical mouthful fistula of postoperative to solve the current inconvenient problem of support.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a stent device for postoperative anastomotic fistula comprises a sleeve with a cavity inside, a supporting tube connected in the sleeve in a sliding way and a push-pull tube connected at the end part of the sleeve;

the stay tube includes the base member layer, the cooperation sets up at base member layer outlying protective layer, connect at the base member layer with prop up between the protective layer and be multiseriate reducing support subassembly and the setting of circumference setting between base member layer tip and support layer tip and be used for controlling the sealed tensile ring of reducing support subassembly reducing, sleeve pipe sliding connection is on a protective layer outer wall.

The beneficial effects of adopting the above technical scheme are: the support device has a reliable structure and convenient use, and the support tube serving as a protective structure can be accurately placed at the anastomotic fistula position through the combination form of the sleeve, the support tube and the push-pull tube and the sliding fit between the sleeve and the support tube. Base member layer and supporting layer form sandwich structure, and the base member layer is reliably supported for supporting the layer as basic piece, makes supporting layer support and leans on to realize the protection in anastomotic stoma fistula position department under the jacking effect of subassembly is strutted in the reducing. The thickness of the sandwich structure is changed through the reducing support assembly, so that the supporting pipe is integrally switched between supporting and fixing and loosening and taking out, and the use is reliable. The reducing support assembly is controlled and operated through the sealed stretching ring, when the support assembly is in a support state, the sealed stretching ring is in a static state, the sealed stretching ring is connected to the end of the support tube in a sealing mode, and when the support is required to be taken out, the sealed stretching ring controls the reducing support assembly to deform, so that the support is loosened, and the support is convenient to take out integrally. And through the sealing action of the sealing stretching ring, sundries around the anastomotic fistula are prevented from entering the interlayer structure of the supporting tube in a supporting state, and the reliability of the whole structure is high.

Furthermore, the reducing support assembly comprises a plurality of reducing support pieces arranged along the axial direction of the support pipe, the reducing support pieces comprise first support pieces arranged on the outer wall of the base layer and second support pieces connected to the inner wall of the support layer and hinged to the first support pieces, and limiting pieces used for limiting the moving range of the first support pieces and the second support pieces are arranged at the connecting positions of the first support pieces and the second support pieces.

The beneficial effects of adopting the above technical scheme are: the change of the working state of the first supporting piece and the second supporting piece is ensured through the movable connecting structure between the first supporting piece and the second supporting piece. When being in the state of strutting, first supporting member is in straight rod-like structure with the second supporting member is whole, for the support layer provides reliable support, and prevents through the locating part that the pine takes off from appearing in natural state's support process. When being in the state of relaxing, first supporting part and second supporting part are in fold condition, and the whole size reduces, drops by anastomotic stoma fistula department, and then discharges extracorporeally through modes such as shit, and is convenient and reliable.

Furthermore, it is provided with a plurality of ropes of connecting to be circumference on the tensile ring of sealed, connect the rope and be connected with a plurality of reducing support pieces that set up along the stay tube axial respectively, and connect the rope and connect the first support piece and the articulated position department of second support piece at reducing support piece.

The beneficial effects of adopting the above technical scheme are: sealed tensile ring is as the driving piece, connects the rope and as the driving medium, when using, and the rope motion is connected in the pulling drive through sealed tensile ring, and then makes the reducing support produce deformation to change the size of reducing support, reach the purpose that changes the size, the simple operation.

Furthermore, an elastic sealing ring is arranged at the end part of the supporting tube far away from the sealing stretching ring, and the elastic sealing ring is arranged between the end part of the base layer and the end part of the supporting layer.

The beneficial effects of adopting the above technical scheme are: the elastic sealing ring is used for sealing the end part, far away from the sealing stretching ring, of the supporting pipe, and the problem that sundries enter an interlayer of the supporting pipe to influence the use performance of the reducing supporting part is avoided.

Further, a plurality of anti-skidding protrusions are circumferentially arranged on the outer wall of the supporting layer, sliding rails are arranged between the adjacent anti-skidding protrusions, and the sliding rails are in sliding fit with sliding grooves formed in the inner wall of the sleeve.

The beneficial effects of adopting the above technical scheme are: the fixing effect of the supporting tube and the anastomotic fistula position is improved through the anti-skidding bulges. The sliding between the sleeve and the supporting tube is realized through the matching of the sliding rail and the sliding groove, the sliding is smooth and reliable, and the separation stability of the sleeve and the supporting tube is improved.

Furthermore, the inner wall of the end part of the sleeve is provided with a thrust block, and the end part of the supporting layer is provided with a limit stop matched with the thrust block.

The beneficial effects of adopting the above technical scheme are: the thrust block and the limit stop block form a one-way limit structure in the pushing direction, so that the bracket device can be conveniently, accurately and stably pushed to the part of the fistula needing to be anastomosed.

Furthermore, the height of the limit stop is smaller than that of the slide rail, and the height of the slide rail is smaller than that of the anti-skid protrusions.

The beneficial effects of adopting the above technical scheme are: through the restriction to limit stop height, slide rail height and non-slip raised height, guaranteed the smooth and easy nature of respective during operation, avoided limit stop, slide rail and non-slip raised respectively with the sleeve pipe between restrict each other and lead to the poor problem of smooth and easy nature of work.

Furthermore, the two ends of the supporting layer are respectively provided with an adherence opening piece, the small opening end of the adherence opening piece is in arc transition connection with the outer wall of the supporting layer, and the large opening end of the adherence opening piece is attached to the outer side of the position of the anastomotic fistula.

The beneficial effects of adopting the above technical scheme are: play the transition effect through the uncovered piece of adherence, guarantee to pass through the stay tube discharge smoothly at the debris at this position, avoid piling up at the stay tube terminal surface and influence the stability that the support was whole to be supported, avoid debris to pile up at the stay tube terminal surface and the secondary infection injury that causes simultaneously.

Furthermore, the anti-skid protrusions are connected to the outer wall of the supporting pipe in a sealing mode, and the anti-skid protrusions are of air bag structures filled with air.

The beneficial effects of adopting the above technical scheme are: the air bag structure can generate a certain buffering effect, effectively avoids rigid compression injury to the anastomotic fistula, reduces pain of a patient, and helps to improve recovery speed.

Furthermore, the adherence opening piece is of a horn-shaped structure.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the fit between the middle sleeve and the support tube according to the present invention;

fig. 3 is a cross-sectional view of the middle support tube of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of the diameter-reducing support member in the removed state of the stent device;

FIG. 6 is a schematic view of the structure of the middle support tube of the present invention;

FIG. 7 is a schematic view of the sleeve structure of the present invention;

fig. 8 is a schematic view of a support tube with an adherence opening of the present invention;

the reference numerals shown in fig. 1 to 8 are respectively expressed as: 1-sleeve pipe, 2-support pipe, 3-push-pull pipe, 20-base layer, 21-support layer, 22-reducing support component, 23-sealing stretching ring, 220-first support piece, 221-second support piece, 222-limiting piece, 24-connecting rope, 25-elastic sealing ring, 26-anti-skid protrusion, 27-sliding rail, 28-sliding groove, 10-thrust block, 11-limiting block and 29-adherence opening piece.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 2, a stent device for a postoperative anastomotic fistula includes a sleeve 1 having a hollow inside, a support tube 2 slidably coupled within the sleeve 1, and a push-pull tube 3 coupled to an end of the sleeve 1; the supporting tube 2 comprises a base layer 20, a supporting layer 21 arranged on the periphery of the base layer 20 in a matched mode, a plurality of rows of reducing supporting assemblies 22 which are connected between the base layer 20 and the supporting layer 21 and are circumferentially arranged, and a sealing stretching ring 23 which is arranged between the end portion of the base layer 20 and the end portion of the supporting layer 21 and is used for controlling reducing of the reducing supporting assemblies 22, wherein the sleeve 1 is connected to the outer wall of the supporting layer 21 in a sliding mode.

The support device has a reliable structure and convenient use, and the support tube 2 serving as a protective structure can be accurately placed at an anastomotic fistula position conveniently through the combination form of the sleeve 1, the support tube 2 and the push-pull tube 3 and the sliding fit between the sleeve 1 and the support tube 2. Base member 20 and a supporting layer 21 form sandwich structure, and base member 20 provides reliable support for a supporting layer 21 as the base member, makes a supporting layer 21 support and leans on to realize the protection in coincide mouthful fistula position under the jacking effect of subassembly 22 is strutted in the reducing. The thickness of the sandwich structure is changed through the reducing support assembly 22, so that the whole support tube 2 is switched between supporting and fixing and loosening and taking out, and the use is reliable. The reducing support assembly 22 is controlled and operated through the sealing stretching ring 23, when the support assembly is in a support state, the sealing stretching ring 23 is in a static state and is connected to the end of the support tube 2 in a sealing mode, and when the support needs to be taken out, the sealing stretching ring 23 controls the reducing support assembly 22 to deform, so that the support is loosened, and the support is taken out integrally. And through the sealing action of the sealing stretching ring 23, the sundries around the anastomotic fistula are prevented from entering the interlayer structure of the supporting tube 2 in the supporting state, and the reliability of the whole structure is high.

When in use, the variable diameter support assembly 22 is in a maximum size state, namely in a support state, and supports and fixes the support layer 21. The extension tube can adopt a stomach tube, and the sleeve 1 and the supporting tube 2 are pushed to the anastomotic fistula position through the extension tube, and after the sleeve 1 is driven to slide through the extension tube to pull out the sleeve 1, at the moment, the supporting tube 2 stays and supports the anastomotic fistula position to protect the anastomotic fistula position. After the recovery, the reducing support assembly 22 is pulled to act through the sealing stretching ring 23, so that the overall size of the reducing support assembly 22 is reduced, the size of the interlayer structure of the support tube 2 is reduced, the overall support tube 2 falls off from the anastomotic fistula, and then the support tube is discharged out of the body through excrement. The device is simple to use and reliable to operate.

As shown in fig. 3 to 5, the variable diameter support assembly 22 includes a plurality of variable diameter supports arranged along the axial direction of the support pipe 2, the variable diameter supports include a first support 220 arranged on the outer wall of the base layer 20 and a second support 221 connected to the inner wall of the support layer 21 and hinged to the first support 220, and a position of the connection between the first support 220 and the second support 221 is provided with a limiting member 222 for limiting the range of motion of the first support 220 and the second support 221. The change of the working state of the first supporting member 220 and the second supporting member 221 is ensured by the movable connection structure therebetween. When in the supporting state, the first supporting member 220 and the second supporting member 221 are integrally in a straight rod-shaped structure, so as to provide reliable support for the supporting layer 21, and prevent the loosening during the supporting process in the natural state through the limiting member 222. When in a relaxed state, the first supporting piece 220 and the second supporting piece 221 are in a folded state, so that the whole size is reduced, the fistula of the anastomotic stoma falls off, and then the fistula is discharged out of the body in modes of stool and the like, and the device is convenient and reliable.

It is provided with a plurality of connection ropes 24 to be circumference on the tensile ring 23 of sealed, connects rope 24 and is connected with a plurality of reducing support that set up along the stay tube 2 axial respectively, and connects rope 24 and connects the first support 220 and the articulated position department of second support 221 at reducing support. Sealed tensile ring 23 is as the driving piece, connects rope 24 as the driving medium, and when using, the pulling through sealed tensile ring 23 drives and connects 24 movements of rope, and then makes the reducing support produce deformation to change the size of reducing support, reach the purpose that changes the size, the simple operation.

The end of the support tube 2 far away from the sealing stretching ring 23 is provided with an elastic sealing ring 25, and the elastic sealing ring 25 is arranged between the end of the base layer 20 and the end of the support layer 21. The elastic sealing ring 25 is used for sealing the end part, far away from the sealing stretching ring 23, of the supporting tube 2, and the problem that sundries enter an interlayer of the supporting tube 2 to influence the use performance of the reducing supporting part is avoided.

As shown in fig. 6 to 7, a plurality of anti-skid protrusions 26 are circumferentially disposed on the outer wall of the supporting layer 21, a sliding rail 27 is disposed between adjacent anti-skid protrusions 26, and the sliding rail 27 is slidably engaged with a sliding groove 28 disposed on the inner wall of the sleeve 1. The fixing effect of the support tube 2 to the anastomotic fistula site is increased by the anti-slip bead 26. The sliding between the sleeve 1 and the support tube 2 is realized through the matching of the sliding rail 27 and the sliding groove 28, the sliding is smooth and reliable, and the stability of the separation of the sleeve 1 and the support tube 2 is improved.

The inner wall of the end part of the sleeve 1 is provided with a thrust block 10, and the end part of the support layer 21 is provided with a limit stop 11 matched with the thrust block 10. The thrust block 10 and the limit stop block 11 form a one-way limit structure in the advancing direction, so that the bracket device can be conveniently, accurately and stably pushed integrally to the part needing to be anastomosed with the fistula.

The height of the limit stop 11 is less than that of the slide rail 27, and the height of the slide rail 27 is less than that of the anti-skid projection 26. Through the limitation on the height of the limit stop 11, the height of the slide rail 27 and the height of the antiskid protrusions 26, the smoothness of respective work is guaranteed, and the problem that the work smoothness is poor due to the fact that the limit stop 11, the slide rail 27 and the antiskid protrusions 26 are restricted with the sleeve 1 is solved.

As shown in fig. 8, two ends of the covering layer 21 are respectively provided with an adherence opening member 29, a small opening end of the adherence opening member 29 is connected with the outer wall of the covering layer 21 through an arc transition, and a large opening end of the adherence opening member 29 is attached to the outer side of the anastomotic fistula position. The adherence opening 29 is of a trumpet-shaped structure. Play the transition effect through adherence opening member 29, guarantee that the debris at this position pass through stay tube 2 smoothly and discharge, avoid piling up in stay tube 2 terminal surface and influence the stability that the support was whole supported, avoid debris to pile up at stay tube 2 terminal surface and the secondary infection injury that causes simultaneously.

The antiskid protrusions 26 are hermetically connected to the outer wall of the support tube 2, and the antiskid protrusions 26 are of an air bag structure filled with gas. The air bag structure can generate a certain buffering effect, effectively avoids rigid compression injury to the anastomotic fistula, and is beneficial to improving the recovery speed.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A stent device for a postoperative anastomotic fistula, comprising a sleeve (1) having a hollow inside, a support tube (2) slidably connected within the sleeve (1), and a push-pull tube (3) connected to an end of the sleeve (1);

stay tube (2) include base member layer (20), cooperation setting and are in base member layer (20) outlying protective layer (21), connection are in base member layer (20) with between supporting protective layer (21) and be multiseriate reducing supporting component (22) and setting that circumference set up are in base member layer (20) tip with between supporting protective layer (21) tip and be used for control the sealed tensile ring (23) of subassembly (22) reducing are supported to the reducing, sleeve pipe (1) sliding connection be in on supporting protective layer (21) outer wall.

2. The holder device for a postoperative anastomotic fistula according to claim 1, wherein the variable diameter support assembly (22) comprises a plurality of variable diameter supports arranged along an axial direction of the support tube (2), the variable diameter supports comprise a first support (220) arranged on an outer wall of the base layer (20) and a second support (221) connected to an inner wall of the support layer (21) and hinged to the first support (220), and a stopper (222) for limiting a range of motion of the first support (220) and the second support (221) is provided at a connection position of the first support (220) and the second support (221).

3. The stent device for the postoperative anastomotic fistula as set forth in claim 2, wherein the sealing tension ring (23) is circumferentially provided with a plurality of connecting strings (24), the connecting strings (24) are respectively connected with a plurality of diameter-variable braces axially arranged along the support tube (2), and the connecting strings (24) are connected at the hinge positions of the first braces (220) and the second braces (221) of the diameter-variable braces.

4. The stent device for a post-operative anastomotic fistula according to claim 3, wherein the end of the support tube (2) remote from the sealing tension ring (23) is provided with a resilient sealing ring (25), the resilient sealing ring (25) being arranged between the end of the base layer (20) and the end of the support layer (21).

5. The stent device for a postoperative anastomotic fistula according to any one of claims 1 to 4, wherein the outer wall of the stent jacket (21) is circumferentially provided with a plurality of anti-slip projections (26), a sliding rail (27) is arranged between adjacent anti-slip projections (26), and the sliding rail (27) is in sliding fit with a sliding groove (28) arranged on the inner wall of the cannula (1).

6. The stent device for a postoperative anastomotic fistula according to claim 5, wherein the inner wall of the end of the sleeve (1) is provided with a thrust block (10), and the end of the stent sheath (21) is provided with a limit stop (11) adapted to the thrust block (10).

7. The stent device for post-operative anastomotic fistula according to claim 6, wherein the bump stopper (11) has a height smaller than the height of the sliding rail (27), the sliding rail (27) having a height smaller than the height of the non-slip bump (26).

8. The stent device for the postoperative anastomotic fistula according to claim 3, wherein the two ends of the retaining layer (21) are respectively provided with an adherence opening member (29), the small opening end of the adherence opening member (29) is in arc transition connection with the outer wall of the retaining layer (21), and the large opening end of the adherence opening member (29) is attached to the outer side of the anastomotic fistula position.

9. The stent device for a postoperative anastomotic fistula according to claim 5, wherein the anti-slip protrusions (26) are sealingly connected to the outer wall of the support tube (2), and the anti-slip protrusions (26) are balloon structures filled with gas inside.

10. The stent device for postoperative anastomotic fistulas according to claim 8, wherein the adherent opening (29) is a trumpet-like structure.